Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/5241#discussion_r160255960
--- Diff:
flink-libraries/flink-table/src/test/scala/org/apache/flink/table/runtime/aggfunctions/AggFunctionTestBase.scala
---
@@ -146,14 +146,31 @@ abstract class AggFunctionTestBase[T, ACC] {
val accumulator = aggregator.createAccumulator()
vals.foreach(
v =>
- accumulateFunc.invoke(aggregator,
accumulator.asInstanceOf[Object], v.asInstanceOf[Object])
+ if(accumulateFunc.getParameterCount == 1){
--- End diff --
add spaces `if (accumulateFunc.getParameterCount == 1) {`
---
